/*
 * Copyright 2006 Brian Watkins
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package bw.refresh;

import java.util.Iterator;

public interface RefreshableSource
{
    //returns an iterator of refreshables. This is used
    //so that there can be some control over the refreshables
    //updated on a certain cycle. Also makes it easy to deal with
    //refreshables that have been added or deleted between cycles. 
    //An aspect can maintain several refreshables (eg NewsManager)
    //easily this way
    public Iterator getRefreshables ();
}